Thread: Telephone Rentals Uniselector Chronogram
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Old 2nd Dec 2019, 11:50 am   #29
woodchips
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Join Date: May 2010
Location: Grantham, Lincolnshire, UK.
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Default Re: Telephone Rentals Uniselector Chronogram
They look like standard telephone exchange uniselectors, so would operate off 50V with a 50 ohm coil.
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